1. Center for Robotics and Biosystems, Department of Mechanical Engineering, Northwestern University, Evanston, IL, USA
2. Shirley Ryan AbilityLab and Department of Physical Medicine and Rehabilitation, Northwestern University, Chicago, IL, USA
3. Shirley Ryan AbilityLab and Department of Biomedical Engineering, Northwestern University, Evanston, IL, USA
4. Department of Biomedical Engineering, Northwestern University, Chicago, IL, USA
5. Shirley Ryan AbilityLab, Center for Robotics and Biosystems, and Department of Physical Medicine and Rehabilitation, Northwestern University, Chicago, IL, USA
6. Department of Physical Medicine and Rehabilitation, Department of Biomedical Engineering, Shirley Ryan AbilityLab and Center for Robotics and Biosystems, Chicago, IL, USA
7. Center for Robotics and Biosystems and Department of Mechanical Engineering, Northwestern University, Chicago, IL, USA
8. Shirley Ryan AbilityLab, Center for Robotics and Biosystems, Department of Mechanical Engineering, Department of Biomedical Engineering, and Department of Physical Medicine and Rehabilitation, Northwestern University, Chicago, IL, USA